Source: University of British Columbia Dairy cattle, By Jane Stojkov and David Fraser1
Every year about 250,000 cows are removed from Canadian dairy herds, in many cases with health challenges such as lameness or mastitis. The marketing system for cull...
Despite decades of research and efforts, bovine respiratory disease (BRD) remains the most important cause of economic losses in youngstock1. BRD costs all farmers in many ways: treatment costs, lower animal survival, reduced growth, higher age at first calving...
What do we know about Streptococcus uberis mastitis and why is it so frustrating?
Streptococcus uberis is recognised in many countries around the world as the problem mastitis bug that can cause difficult to cure cases that often recur. This...
Source: The University of British Columbia
By Tracy A. Burnett, Augusto M.L. Madureira, Janet Bauer, Ronaldo L.A. Cerri
Infertility of lactating dairy cows represents a major challenge for dairy production. In order for proficient outputs, modern dairies using year-round calving are...
Source: Journal of Dairy Science
ABSTRACT
Dairy cows are often diagnosed with fever without showing clinical symptoms of disease. The aim of this study was to investigate changes in feeding, social, and lying behaviors of cows with fever but without clinical disease,...
Source: Dairy Research and Extension Consortium of Alberta
Why is this important?
Agriculture is a contributor to greenhouse gas emissions (GHG), thereby impacting climate change potential. In addition to GHG emissions, the dairy industry significantly impacts the environment through nitrogen (N)...
Source: Dairy Research Cluster
Manure is an important source of agricultural greenhouse gas (GHG) emissions. Methane (CH4) is the most important GHG associated with liquid manure management. Manure methane emissions occur as a net result of microbial production and consumption...
Source: MDPI and ACS Style
Nogues, E.; Lecorps, B.; Weary, D.M.; von Keyserlingk, M.A.G. Individual Variability in Response to Social Stress in Dairy Heifers.Animals 2020, 10, 1440.
Simple Summary
Mixing unfamiliar animals (or regrouping) is a common practice on dairy farms. This disruption...
Source: Journal of Dairy Science
Abstract
Antimicrobial use (AMU) data are critical for formulating policies for containingantimicrobial resistance. The present study determined AMU on Canadian dairy farms and characterized variation in AMU based on herd-level factors such as milk production, somatic...
A recent study published in the Journal of Dairy Science by the team of Professor José E.P. Santos from the University of Florida (Perdomo et al., 2020) indicates that the rumen specific yeast Saccharomyces cerevisiae CNCM I-1077 (LEVUCELL SC)...